Husqvarna GTH2548XP Lawn Mower User Manual


 
22
SERVICE AND ADJUSTMENTS
TO ADJUST ATTACHMENT CLUTCH
(See Fig. 25)
The electric clutch should provide years of service. The
clutch has a built-in brake that stops the pulley within 5
seconds. Eventually, the internal brake will wear which may
cause the mower blades to not engage, or, to not stop as
required. Adjustments should be made by your nearest
authorized service center/department.
Make sure attachment clutch and ignition switches are
in “OFF” position.
Adjust the three nylon locknuts until space between
clutch plate and rotor measures .012" at all three slot
locations cut in side of brake plate.
NOTE: After installing a new electric clutch, run tractor at full
throttle and engage and disengage electric clutch 10 cycles
to wear in clutch plate.
FIG. 24
TO REPLACE MOWER BLADE DRIVE BELT
(See Fig. 24)
Park the tractor on level surface. Engage parking brake.
Remove mower drive belt (See “TO REPLACE MOWER
DRIVE BELT” in this section of this manual).
Remove mower (See “TO REMOVE MOWER” in this
section of this manual).
Remove screws from L.H. mandrel cover and remove
cover.
Carefully roll belt off L.H. mandrel pulley.
Remove belt from center mandrel pulley, idler pulley,
and R.H. mandrel pulley.
Remove any dirt or grass which may have accumulated
around mandrels and entire upper deck surface.
Check secondary idler arm and idler pulley to see that
they rotate freely.
Be sure spring is hooked in secondary idler arm and
secondary spring arm.
Install new belt in lower groove of R.H. mandrel pulley,
idler pulley, and center mandrel pulley as shown.
Carefully roll belt over L.H. mandrel pulley. Make sure
belt is in all grooves properly.
Reinstall L.H. mandrel cover.
Reinstall mower to tractor (See “INSTALL MOWER AND
DRIVE BELT” in the Assembly section of this manual).
Reassemble mower drive belt (See “TO REPLACE
MOWER DRIVE BELT” in this section of this manual).
FIG. 23
MOWER DRIVE BELT INSTALLATION (See Fig. 23)
Install belt in both idlers.
Install new belt onto electric clutch pulley.
Roll belt into upper groove of R.H. mandrel pulley
carefully.
Carefully check belt routing making sure belt is in the
grooves correctly.
Reconnect R.H. suspension arm to rear deck bracket
with retainer spring.
Reassemble R.H. mandrel cover.
Engage belt tension rod by pushing rod into locking
bracket.
PRIMARY
IDLER ARM
R.H.
MANDREL
IDLER
PULLEYS
ELECTRIC
CLUTCH
PULLEY
SPRING
ARM
BELT TENSION
ROD(DISENGAGED
POSITION)
RH MANDREL
COVER
RH SUSPENSION
ARM
L.H.
MANDREL
IDLER
PULLEY
CENTER
MANDREL
SPRING
SECONDARY
IDLER ARM
SECONDARY
SPRING ARM
R.H. MANDREL
TO REPLACE MOWER DRIVE BELT
MOWER DRIVE BELT REMOVAL (See Fig. 23)
Park tractor on a level surface. Engage parking brake.
Lower mower to its lowest position.
Disengage belt tention rod from lock bracket.
Remove screws from R.H. mandrel cover and remove
cover.
Remove any dirt or grass clippings which may have
accumulated around mandrels and entire upper deck
surface.
Disconnect R.H. suspension arm from rear deck bracket
by removing retainer spring.
Roll belt over the top of R.H. mandrel pulley carefully.
Remove belt from electric clutch pulley.
Remove belt from idler pulleys.
Check primary idler arm and two idlers to see that they
rotate freely.
Be sure spring is securely hooked to primary idler arm
and spring arm.
CAUTION: Rod is spring loaded. Have a
tight grip on rod and release slowly.